 | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...The Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275 |  | | Journal (issue) | | Thirty-three, Number Four Articles Jeremejevite from Namibia . . . . . . . . . . . . . . . . . . . . . . . ...Johnston & E. R. Swoboda Sulfur from the Perticara mine area, Pesaro-Urbino, Italy . . . . . . . . . . . . ....Hawleyite Baixa mine, Paulkerrite $12 (IN), Fluorapatite (SD) $12 v.15/#1 Darwin (CA), Pereta Mine (Italy)...22/#6 Wagholi cavansite (India), Kombat mine (Namibia), Madan mines (Bulg.),Beltana mine $12 v.23/#1...Tonopah-Belmont mine Eastern Europe Full-color $12 72-page book-issue $12 (AZ), Parker Cleaveland $12 |  | | Journal (issue) | | Articles Famous mineral localities: The Erongo Mountains, Namibia . . . . . . . . . . . . . . . . . . ....cm, with schorl and feldspar, from the Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross...on the mineralogical treasures of the Erongo Mountains in Namibia. Uli’s financial support made possible...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals...try to bring an example of a wine from their local area as a treat, but quite often the gesture would be |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...is not common in the metasedimentary rocks of the area which host these species, but "reasonably good"...have been found with spine! in marble less than 1 mile southwest of Amity (Chamberlain and Robinson, 2013)...magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and Chamberlain, 1982), with ilmenite... r ILMENITE QUEBEC Girardville, Lac Saint-Jean area. Just northwest of the town of Girardville, itself |  | | Journal (issue) | | Hungarian/Czech ancestry with family roots in the mining area of Zinnwald in Bohemia. Rich began collecting minerals...and the Leadville area, amazonite and associated species from the Crystal Peak area, and many antique...splendid pale pink to deep orange-pink crystals of fluorapatite up to 5 cm, and with fluorite in octahedral...rather large size. Specimens in which aquamarine, fluorapatite and fluorite crystals are associated on a single...means that for a twisted quartz crystal with a cross-section measuring 1 3 1 cm (not yet developed into |  | | Journal (issue) | | ................................211 COVER: FLUORAPATITE crystal, 3.2 cm, from the Shigar Valley, Pakistan...quartz may have undistorted, hexagonal cross sections, the area between the two limbs is often filled...impossible in a real twinned crystal, because any small region of the twin must have a structure which corresponds...March-April, 2000 crystals to come from the Pezinok area were found in the Krfznica mine near Pernek between...granite slopes of the Male Karpaty Mountains; the area is wellknown for its many vineyards producing excellent |  | | Journal (issue) | | can ask for, one which serves members of our constituency worldwide, and which has a permanency outlasting...hotel, car rental and 260 Died, Sidney A. illiams, 72 Sidney Arthur Williams died in his home in Douglas...Trepc=a mineralogical Museum Kosovo The war torn region of osovo in the alkans has a long and involved...history of the Trepc=a mine and of the surrounding region is long and rich, and culminates in the ethnol... and Dusanic, 2003). Following Roman times the region was colonized, influenced, or dominated politically |  | | Journal (issue) | | Republic; Duftite in Calcite from the Tsumeb mine, Namibia; Novacekite from the Brumado mine, Brazil; Elbaite...father had found while “rock hunting” in the Bishop area of California. That got his attention once again...Jeremejevite, Namibia 37 Diaspore, Turkey 38 Chrysoberyl, Brazil 38 Azurite, Namibia 39 Cerussite, Morocco...Hydroxylherderite, Brazil Vivianite, Bolivia 69 Fluorapatite, Pakistan 69 Pyromorphite, Idaho 70 Childrenite...Liroconite, England 71 Metatorbemite, France 72 Mimetite, Namibia 73 Novacekite, Brazil 74 Brazilianite, Brazil |  | | Book | | .................................. ....... 78 Namibia ........... ..... ................. ..... .......tri1nn1ing a san1ple. and thoroughly clean the \\'Ork area afterv.rards. Avoid displaying specimens on an open... MINERALOGY OF URANIUM AND THOR IUM Figure 4. Cross section of a fuel particle for the High-Temperature...problems. Production is expected to grow when the Four Mile ISL mine comes on strea1n, and planned expansion...substantially as development activities continue in Namibia and in Niger, pa1ticularly at the large sandstone |  | | Journal (issue) | | of dumortierite in quartz. American Mineralogist, 72 (1-2), 170-2 Cassedanne, J.P., and Roditi, M., 1991...rose coloration. American Mineralogist, 86 (4), 466-72 Johnson, M.L., and Koivula, J.I., 1999. Gem News...and the Bobrovka River, both of the central Ural region of Russia (Phillips and Talantsev, 1996); Val Malenco...(Bedogné and Sciesa, 1993); and the Erongo Range, Karibib, Namibia. There are less important localities... Figure 7: Thin section of inky black jade in cross polarized light. A few large grains of original |  | | Book (edition) | | Arizona; (lower right, center) mimetite, Tsiimehb, Namibia; (lower, right) gold, Amazonas, Brazi!. All specimens...ie GREG) Bs eNOS : Spee GGA Z eae a, "(02 72 fT Library of Congress Cataloging-in-Publication...some of the data in our selection, synthesis, and cross-correlation process, that we feel solely responsible...Bolivia; Czechoslovakia; Norway; Germany; Tsumeb; Namibia; Chanarcillo, Chile; and Broken Hill, New South...Ojuela mine, Mapimi, Durango, Mexico; at Tsumeb, Namibia; and at Laurium, Greece. Other occurrences are | | | Book (edition) | | Arizona; (lower right, center) mimetite, Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens...some of the data in our selection, synthesis, and cross-correlation process, that ,ve feel solely responsible...Bolivia; Czechoslovakia; Norway; Germany; Tsumeb; Namibia; Chaiiarcillo, Chile; and Broken Hill, New South...Ojuela mine, Mapimi, Durango, Mexico; at Tsumeb, Namibia; and at Laurium, Greece. Other occurrences are...Hey, M. H ., and Kingsbury, A. W. G., Min. Mag., 35:72-83 (1965). AESCHYNITE (Eschynite) (Ce,Ca, Fe , Th)(Ti |  | | Journal (issue) | | P.O. Box 17232, Tucson, A rizona 85731 BANCROFT AREA l BANCROFT ELDO RADO TO RO NTO B E L L E V IL...elements must be made with great care, with careful cross-checking of compositions and any possible inhomogeneities...may not coincide. Figure 12b illustrates an “iron cross” in the mineral pyrite. Each individual is a perfect...center point of the other. Figure 12a shows an “iron cross” from Vlotho, Minden, Germany in which there is...form in addition to the pyritohedron. The flat “cross” is formed by two intersect ing cube faces. The |  | | Journal (issue) | | Cheakamus River, which drains a large mountainous area. The region is renowned for its scenery, lakes, alpine...small open cut above the tunnel. The best collecting area at this time is the ore stockpile at the abandoned...northwest of Highway 99. During the colder months the region is covered by a meter or more of snow, restricting...The dirt road on the left, where the power lines cross Highway 99, leads directly to the ore pile from...photo. HISTORY Early British exploration of the area began with the building of the 1859 Gold Rush trail |  | | Journal (issue) | | emerald deposit was discovered in 2021 in the Chitral region of north-western Pakistan. Following an earlier...approximately the past decade, the Numbi area in the South Kivu region of the Democratic Republic of the Congo...mined in the Numbi area. He purchased one of them while visiting the mining area in April 2014, and obtained...Hashmi indicated that during his visit to the Numbi area in April 2014, the miners thought the morganite...parallel to the optic axis, and a near-colourless area was seen in other orientations when the stone was |  | | Journal (issue) | | symposium. FM Portland Symposium Friends of Mineralogy, Region 12, Pacific Northwest, spon sored its Second Annual...rarer and unusual phosphate minerals found in that area. Next on the program was Anthony Kampf, from the...more interesting gem minerals which occur in this area. This concluded the Second Annual Mineral Symposium...that now prevails in our membership and is why our region anticipates a bigger, better and more interesting...some prospecting and drilling in the Jumbo mine area for possible low-grade ores. This small isolated |  | | Report (issue) | | -ni ckel - silver deposits in the Cobalt-Gowganda area contain argentite . It is less common and occurs...silver is very intimate in specimens from the Cobal t area . Close examination of silver specimens revealed...ities men tioned were : Silver Islet off Thunder Cape ; Beaver in O ' Connor Township ; Silver Mountain...Lucky Queen Mine in the Keno Hill - Sourdough Hill area , Mayo District , argentite is associated with native...gravels of the Rae River in the Coronation Gulf region (J ohn Sinkankas, 1959: Gemstones of North America |  | | Journal (article/letter/editorial) | | sedimentary, and metamorphic) and structures. Cross sections and images illustrate the common ore types... separated from the text but supplemented with cross-references to the columns and lines, where they...considered as an area of scientific research of black and white smokers, rather than an area of exploration...with other commodities will enter a new frontier area through the metal's or mineral's doors rather than...sedimentary or metamorphic realms and also find a cross over in the field of coal petrography where equivalent | | | Journal (article/letter/editorial) | | sedimentary, and metamorphic) and structures. Cross sections and images illustrate the common ore types... separated from the text but supplemented with cross-references to the columns and lines, where they...considered as an area of scientific research of black and white smokers, rather than an area of exploration...with other commodities will enter a new frontier area through the metal's or mineral's doors rather than...sedimentary or metamorphic realms and also find a cross over in the field of coal petrography where equivalent |
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